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120979886995968 = 29372111319591611
BaseRepresentation
bin11011100000011111010011…
…001100000111101000000000
3120212100120020100000222210020
4123200133103030013220000
5111324113302032332333
61105145220503533440
734324336244213400
oct3340372314075000
9525316210028706
10120979886995968
11356033112a7520
121169a86745a280
13526747b7a30a0
1421c365a1b6800
15debe7027d3b3
hex6e07d3307a00

120979886995968 has 960 divisors, whose sum is σ = 463646229742080. Its totient is φ = 27479479910400.

The previous prime is 120979886995937. The next prime is 120979886995969. The reversal of 120979886995968 is 869599688979021.

It is a happy number.

It is a super-2 number, since 2×1209798869959682 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (96).

It is not an unprimeable number, because it can be changed into a prime (120979886995969) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 204196483 + ... + 204788093.

It is an arithmetic number, because the mean of its divisors is an integer number (482964822648).

Almost surely, 2120979886995968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120979886995968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231823114871040).

120979886995968 is an abundant number, since it is smaller than the sum of its proper divisors (342666342746112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120979886995968 is a wasteful number, since it uses less digits than its factorization.

120979886995968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591689 (or 591666 counting only the distinct ones).

The product of its (nonzero) digits is 76187381760, while the sum is 96.

The spelling of 120979886995968 in words is "one hundred twenty trillion, nine hundred seventy-nine billion, eight hundred eighty-six million, nine hundred ninety-five thousand, nine hundred sixty-eight".